APA aipamena

Booth, A. D. (1965). Automatic digital calculators (3rd ed.). Butterworth.

Chicago Style aipamena

Booth, Andrew D. Automatic Digital Calculators. 3rd ed. London: Butterworth, 1965.

MLA aipamena

Booth, Andrew D. Automatic Digital Calculators. 3rd ed. Butterworth, 1965.